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公众在得到之前并不知道自己想要什么。
To be or not to be,that's a question.
The history of all hitherto existing society is the history of class struggles.
The most important thing is to keep the most important thing the most important thing.
市场效率并不意味着价格总是正确的,而是意味着价格不可能被一致预测。